7 Common Causes of No Hot Water
If you’re reading this, it’s likely because you just had a breathtakingly cold shower or turned on the faucet and there wasn't any hot water. It’s an annoying state of affairs, but don’t fret. Learning the most common things that leave you with no hot water is the first step toward finding an answer. Here are some of the most likely reasons why you might be having hot water issues so you can get back to enjoying the hot showers you deserve.
1. Gas Leak
Does your home have a gas water heater? It might not be producing hot water because of a gas line leak. If you notice a questionable rotten egg aroma, assume you have a leak and follow these steps:
- Close off the gas valves at your house.
- Don’t switch any electrical appliances on or off.
- Avoid smoking or using a lit match.
- Open windows and doors for ventilation and evacuate the building.
- Call the fire department and your utility provider.
- Do not ever try to repair the gas line yourself.
2. Gas Valve Failure
This hot water problem can be difficult to identify, but it’s a frequent cause of no hot water coming from a gas water heater. Get started by inspecting the gas inlet valve and gas supply tube for leaks. If it all appears undamaged, check out the gas valve to make sure it’s in the right position and the gas is turned on. If the pilot light is working the way it should but you still do not have hot water, the gas supply may be restricted. Unfortunately, this may mean it’s time to purchase a new, more energy-efficient water heater. Contact a skilled plumbing specialist like San Antonio Air Service Experts to be sure.
3. The Pilot Light Is Out
The pilot light is vital for older gas water heaters to operate effectively. If the light isn't lit, there won't be any hot water. Newer water heaters have glow plugs or spark igniters, so reference your owner’s manual to find out if your unit has a pilot light. If that's the case, you may need to turn off the regulator and wait for the gas to air out before attempting to relight it. Consult with a professional for assistance if you’re unsure how to relight the pilot.
4. Thermostat Malfunction
Your water heater thermostat has to be set correctly to furnish your home with adequate hot water. If you recently lowered the temperature to conserve energy while you were out of town, check the thermostat to make sure it’s between 120 and 140 degrees F. While you’re at it, check for a tripped high-temperature cutoff switch, as this is a common reason for no hot water. If it turns out the thermostat is damaged, buying a new one may be the best solution.
5. Sediment Buildup
Over time, sediment can accumulate in the lower part of the water heater tank. This buildup creates a blockage between the heating element or burner and the water, causing inefficiency and a potential lack of hot water. Sediment buildup is more common in neighborhoods with hard water, but it can take place anywhere.
Routine maintenance, including flushing the tank at least annually, helps prevent this issue. If the problem has already developed, you could potentially need a specialist's help to clean or replace the tank. Monitor the clarity and quality of your hot water in order to identify sediment buildup before it becomes even more challenging to address.
6. Malfunctioning Electric Water Heater
Electric water heaters are reliable components in the plumbing world, but even they are not immune to problems. If your home doesn't have any hot water, examine the connections to the water heater and reset any tripped breakers at the electrical panel.
If the breakers appear normal, the heating elements might be the problem. Water heaters usually have a life span of about 10 years, so if yours is getting older, it could be more cost-effective to replace the entire unit rather than repair the bad hardware.
7. Undersized Water Heater
If the tank is doesn't have enough capacity to meet your household’s hot water demands, you may find yourself running out of hot water. If you’re sick and tired of putting up with not very hot showers when you’re the last person to get ready every day, consider upgrading to a larger tank. You might also want to learn more about tankless water heaters, which heat water on demand for countless back-to-back showers.
No Hot Water? Contact San Antonio Air Service Experts
At San Antonio Air Service Experts, we strive to resolve your hot water issues fast, at a competitive price and with long-lasting results. With our Expert technicians, dedicated customer service and reputation for excellence, you can rest assured we will go the extra mile to meet all your plumbing needs.
Don’t let a lack of hot water disrupt your life for even a minute longer! Get in touch with San Antonio Air Service Experts and we’ll get the hot water flowing again. Call 210-570-9705 today to arrange an appointment!
